232 



the; .cactac^ab. 



Opuntia — continued. 

 leptarthra, loi 

 leptocarpa, i66, 167 

 leptocaulis, 47, 48, 49, 73, 213 

 leptocaulis brevispina, 47 

 leptocaulis laetevirens, 48 

 leptocaulis longispina, 47 

 leptocaulis major, 48 

 leptocaulis stipata, 47 

 leptocaulis vaginata, 47 

 leucacantha, 174, 175 

 leucacantha laevior, 1 75 

 leucacantha subferox, 1 75 

 leucantha, 175 

 leucophaea, 96 

 leucostata, 214 

 leucosticta, 174 

 leucotricha, 151, 174, 175 

 leucotricha fulvispina, 174 

 ligustica, 128 



lindheimeri, 44, 148, 160, 164, 165, 166 

 lindheimeri cyclodes, 147 

 lindheimeri dulcis, 165 

 lindheimeri littoralis, 165 

 lindheimeri occidentalis, 146 

 linguiformis, 160, 163 

 littoralis, 147, 160, 164, 165 

 Uoydii, 60, 63 

 longiclada, 161 

 longiglochia, 214 

 longispina, 95 

 lubrica, 118, 119 

 lucayana, 106, 163 

 lucens, 149 

 lucida, 214 

 lurida, 173 



macateei, 126, 133, 220, 221 

 macdougaliana, 169, 170, 171 

 mackensenii, 137, 138, 139 

 macracantha, 187, 202, 203, 204, 205 

 macrarthra, 126, 129 

 macrocalyx, 118, 122 

 macrocentra, 140, 141, 176 

 macrophylla, 214 



macrorhiza, 126, 127, 128, 130, 131, 139, 166 

 maculacantha, 134 

 maelenii, 134 

 magenta, 142, 146 

 magna, 64 

 magnarenensis, 147 

 magnifolia, 34 

 maihuen, 41 

 maldonadensis, 75 

 mamillata, 67, 68 

 maritima, 162 

 maxillare, 77 

 maxima, 177, 180, 181 

 media, 199, 200 

 mediterranea, 128 



megacantha, 178, 181, 182, 185, 186 

 megacantha lasiacantha, 1 82 

 megacantha tenuispina, 184 

 megacantha trichacantha, 186 

 megacarpa, 145 

 megalantha, 169 

 megalarthra, 192 

 megarhiza, 137 

 mendocienses, 65 



Opuntia — continued. 



mesacantha, 127, 132 



mesacantha cymochila, 131 



mesacantha grandiflora, 129 



mesacantha greenei, 131 



mesacantha macrorhiza, 130 



mesacantha microsperma, 127 



mesacantha oplocarpa, 131, 144 



mesacantha parva, 127, 128 



mesacantha sphaerocarpa, 144 



mesacantha stenochila, 132 



mesacantha vaseyi, 146 



mettemichii, 176 



mexicana, 34 



micrarthra, 171 



microcarpa, 144, 206 



microdasys, 118, 120, 121, 122, 123, 136 



microdasys laevior, 120 



microdasys minor, 120 



microdasys rufida, 122 



microdisca, 133, 135, 136 



microthele, 73 



mieckleyi, 156, 158 



militaris, 102, 104, 163 



millspaughii, 202, 204, 206 



minima americana, 102 



minor, 139 



minor cardescens, 102 



miquelii, 78 



missouriensis, 199, 200 



missouriensis albispina, 199, 200 



missouriensis elongata, 214 



missouriensis erythrostemma, 214 , 



missouriensis microsperma, 199, 200 



missouriensis platycarpa, 199, 200 



missouriensis rufispina, 199, 200 



missouriensis salmonea, 214 



missouriensis subinermis, 199 



missouriensis trichophora, 195 



modesta, 67 



mojavensis, 140, 145 



molesta, 54, 60, 62, 66, 67 



monacantha, 127, 156, 157 



monacantha deflexa, 156 



monacantha gracilior, 156, 157 



monacantha variegata, 157 



moniliformis, 33, 202, 206, 207, 208 



montana, 214 



montevidensis, 107, 109 



monticola, 95 



morenoi, 214 



morisii, 128 



mortolensis, 47 



multiflora, 113, 114 



myriacantha, 150, 152, 214 



nana, 127, 217 



nashii, 106, 163, 202, 203 



nelsonii, 172 



nemoralis; 102, 104 



neoarbuscula, 50 



nigricans, 152, 153 



nigrispina, 90, 97 



nigrita, 183, 184 



nopalilla, 38 



oblongata, 173 



occidentalis, 140, 146, 147, 153, 163, 165 



oligacantha, 89, 182 



oplocarpa, 132 



